ARP Acid Etch™

ARP Acid Etch™ is used for processing high silicon aluminum castings resulting in a leveled, fine grained, activated surface for subsequent chemical treatment.

This process chemically removes the silicon rich surface of the die casting which helps produce a more uniform, leveled surface for subsequent chemical treatments such as chromate or anodize. This process also promotes a deeper dye color to be achieved with the anodized coating and makes die cast parts more visually appealing.